<!DOCTYPE html>
<html>
<head>
    <title>Countdown Timer</title>
    <link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
    <div id="countdown">
        <h1 id="timer"></h1>
        <button id="startButton">Start</button>
        <button id="pauseButton">Pause</button>
        <button id="resetButton">Reset</button>
    </div>
    <script src="index.js"></script>
</body>
</html>
